Jumping jet fountains excite anybody who see them. I thought about using them on space for refueling the satellites. Even on earth's atmosphere they fly uniform like traveling through an invisible pipeline. Imagine it on space.
The idea can be initially tested on LEO satellites. The tanker rocket would fly vertically to the space and reach the elevation where the satellite to be refueled is orbiting. Then jet stream the propellent in space aligned with the trajectory of the satellite. The satellite would have a cone on its direction of motion which contains sponge like absorption material. The speed of the streamed propellent and the satellite should be close to each other. The propellent speed would be attained by the turbopumps on board the tanker rocket.
The temperature of the propellent is also critical. It should be close to its boiling point. With the impact of the propellent and the satellite, the liquid would turn into gas. This would lessen the effect of the impact. You can compress a gas but not the liquid. The impact would push the propellent into the satellites’ tank negating the need for a pump.
If the idea is proved to be viable at LEO it can be extended for the GEO satellites and further.
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